Seiko Cal. 6170 - 440

Seiko 6170-440

The 6170-440 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cc7a1dd711b9]

Also known as: Tuna, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1978

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